EP 2287655 A1 20110223 - EYEGLASS LENS
Title (en)
EYEGLASS LENS
Title (de)
BRILLENGLAS
Title (fr)
VERRE DE LUNETTES
Publication
Application
Priority
- JP 2009059734 W 20090521
- JP 2008139257 A 20080528
Abstract (en)
This invention provides a spectacle lens excellent in hue, and provides a spectacle lens formed from a resin composition containing (1) 100 parts by weight of a polycarbonate resin, (2) 0.05 to 0.5 part by weight of a fatty acid ester mold release agent that is at least one member selected from the group consisting of (i) an ester of a monohydric alcohol having 1 to 20 carbon atoms and a saturated or unsaturated fatty acid having 10 to 30 carbon atoms and (ii) a full ester of glycerin and a saturated or unsaturated fatty acid having 10 to 30 carbon atoms, and that has a metal potassium content of 15 ppm or less and a metal sodium content of 30 ppm or less, (3) 0.1 to 0.25 part by weight of a benzotriazole ultraviolet absorbent, (4) 0.1 to 0.3 part by weight of a hindered phenol antioxidant, and (5) 0.005 to 0.1 part by weight of a phosphorus heat stabilizer, and a process for the production thereof.
IPC 8 full level
G02C 7/02 (2006.01); C08K 5/101 (2006.01); C08K 5/134 (2006.01); C08K 5/3475 (2006.01); C08K 5/51 (2006.01); C08L 69/00 (2006.01); G02B 1/04 (2006.01)
CPC (source: EP US)
C08K 5/10 (2013.01 - EP US); C08K 5/13 (2013.01 - EP US); C08K 5/3475 (2013.01 - EP US); C08K 5/51 (2013.01 - EP US); G02B 1/041 (2013.01 - EP US); C08K 5/0041 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
EP 2287655 A1 20110223; EP 2287655 A4 20140716; EP 2287655 B1 20190123; EP 2287655 B8 20190515; CN 102047171 A 20110504; JP 5273877 B2 20130828; JP WO2009145241 A1 20111013; KR 101581978 B1 20151231; KR 20110015554 A 20110216; TW 201002510 A 20100116; TW I438077 B 20140521; US 2011128494 A1 20110602; US 8425032 B2 20130423; WO 2009145241 A1 20091203
DOCDB simple family (application)
EP 09754749 A 20090521; CN 200980119420 A 20090521; JP 2009059734 W 20090521; JP 2010514522 A 20090521; KR 20107025622 A 20090521; TW 98117385 A 20090526; US 99479709 A 20090521